<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>9.15CSS边框复习</title>
	<style>
		p{
			border-color:red;
			border-width:10px;
			border-style:solid;
		}
	</style>
</head>
<body>
	<p>这是一段CSS边框复习的文字</p>
</body>
</html>